745255806 has 8 divisors (see below), whose sum is σ = 1490511624. Its totient is φ = 248418600.

The previous prime is 745255793. The next prime is 745255937. The reversal of 745255806 is 608552547.

It is a sphenic number, since it is the product of 3 distinct primes.

745255806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62104645 + ... + 62104656.

It is an arithmetic number, because the mean of its divisors is an integer number (186313953).

Almost surely, 2^745255806 is an apocalyptic number.

745255806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745255806 is a wasteful number, since it uses less digits than its factorization.

745255806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124209306.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 745255806 is about 27299.3737290803. The cubic root of 745255806 is about 906.6405155435.

The spelling of 745255806 in words is "seven hundred forty-five million, two hundred fifty-five thousand, eight hundred six".